LXR uboot/board/samsung/arndale/arndale.c

   1/*
   2 * Copyright (C) 2013 Samsung Electronics
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#include <common.h>
   8#include <asm/arch/pinmux.h>
   9#include <asm/arch/dwmmc.h>
  10#include <asm/arch/power.h>
  11
  12DECLARE_GLOBAL_DATA_PTR;
  13
  14int board_init(void)
  15{
  16        gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
  17        return 0;
  18}
  19
  20int dram_init(void)
  21{
  22        int i;
  23        u32 addr;
  24
  25        for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
  26                addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
  27                gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
  28        }
  29        return 0;
  30}
  31
  32int power_init_board(void)
  33{
  34        set_ps_hold_ctrl();
  35        return 0;
  36}
  37
  38void dram_init_banksize(void)
  39{
  40        int i;
  41        u32 addr, size;
  42
  43        for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
  44                addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
  45                size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
  46
  47                gd->bd->bi_dram[i].start = addr;
  48                gd->bd->bi_dram[i].size = size;
  49        }
  50}
  51
  52#ifdef CONFIG_GENERIC_MMC
  53int board_mmc_init(bd_t *bis)
  54{
  55        int ret;
  56        /* dwmmc initializattion for available channels */
  57        ret = exynos_dwmmc_init(gd->fdt_blob);
  58        if (ret)
  59                debug("dwmmc init failed\n");
  60
  61        return ret;
  62}
  63#endif
  64
  65static int board_uart_init(void)
  66{
  67        int err = 0, uart_id;
  68
  69        for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
  70                err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
  71                if (err) {
  72                        debug("UART%d not configured\n",
  73                              (uart_id - PERIPH_ID_UART0));
  74                        return err;
  75                }
  76        }
  77        return err;
  78}
  79
  80#ifdef CONFIG_BOARD_EARLY_INIT_F
  81int board_early_init_f(void)
  82{
  83        int err;
  84
  85        err = board_uart_init();
  86        if (err) {
  87                debug("UART init failed\n");
  88                return err;
  89        }
  90        return err;
  91}
  92#endif
  93
  94#ifdef CONFIG_DISPLAY_BOARDINFO
  95int checkboard(void)
  96{
  97        printf("\nBoard: Arndale\n");
  98
  99        return 0;
 100}
 101#endif
 102